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<pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
<span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
<span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * (C) Copyright 2000-2014, by Object Refinery Limited and Contributors.<a name="line.5"></a>
<span class="sourceLineNo">006</span> *<a name="line.6"></a>
<span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
<span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
<span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
<span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
<span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
<span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
<span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
<span class="sourceLineNo">018</span> *<a name="line.18"></a>
<span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
<span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
<span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
<span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
<span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
<span class="sourceLineNo">026</span> *<a name="line.26"></a>
<span class="sourceLineNo">027</span> * -------------<a name="line.27"></a>
<span class="sourceLineNo">028</span> * PaintMap.java<a name="line.28"></a>
<span class="sourceLineNo">029</span> * -------------<a name="line.29"></a>
<span class="sourceLineNo">030</span> * (C) Copyright 2006-2014, by Object Refinery Limited.<a name="line.30"></a>
<span class="sourceLineNo">031</span> *<a name="line.31"></a>
<span class="sourceLineNo">032</span> * Original Author:  David Gilbert (for Object Refinery Limited);<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Contributor(s):   -;<a name="line.33"></a>
<span class="sourceLineNo">034</span> *<a name="line.34"></a>
<span class="sourceLineNo">035</span> * Changes:<a name="line.35"></a>
<span class="sourceLineNo">036</span> * --------<a name="line.36"></a>
<span class="sourceLineNo">037</span> * 27-Sep-2006 : Version 1 (DG);<a name="line.37"></a>
<span class="sourceLineNo">038</span> * 17-Jan-2007 : Changed TreeMap to HashMap, so that different classes that<a name="line.38"></a>
<span class="sourceLineNo">039</span> *               implement Comparable can be used as keys (DG);<a name="line.39"></a>
<span class="sourceLineNo">040</span> * 02-Jul-2013 : Use ParamChecks class (DG);<a name="line.40"></a>
<span class="sourceLineNo">041</span> *<a name="line.41"></a>
<span class="sourceLineNo">042</span> */<a name="line.42"></a>
<span class="sourceLineNo">043</span><a name="line.43"></a>
<span class="sourceLineNo">044</span>package org.jfree.chart;<a name="line.44"></a>
<span class="sourceLineNo">045</span><a name="line.45"></a>
<span class="sourceLineNo">046</span>import java.awt.Paint;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import java.io.IOException;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import java.io.ObjectInputStream;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import java.io.ObjectOutputStream;<a name="line.49"></a>
<span class="sourceLineNo">050</span>import java.io.Serializable;<a name="line.50"></a>
<span class="sourceLineNo">051</span>import java.util.HashMap;<a name="line.51"></a>
<span class="sourceLineNo">052</span>import java.util.Iterator;<a name="line.52"></a>
<span class="sourceLineNo">053</span>import java.util.Map;<a name="line.53"></a>
<span class="sourceLineNo">054</span>import java.util.Set;<a name="line.54"></a>
<span class="sourceLineNo">055</span>import org.jfree.chart.util.ParamChecks;<a name="line.55"></a>
<span class="sourceLineNo">056</span><a name="line.56"></a>
<span class="sourceLineNo">057</span>import org.jfree.io.SerialUtilities;<a name="line.57"></a>
<span class="sourceLineNo">058</span>import org.jfree.util.PaintUtilities;<a name="line.58"></a>
<span class="sourceLineNo">059</span><a name="line.59"></a>
<span class="sourceLineNo">060</span>/**<a name="line.60"></a>
<span class="sourceLineNo">061</span> * A storage structure that maps &lt;code&gt;Comparable&lt;/code&gt; instances with<a name="line.61"></a>
<span class="sourceLineNo">062</span> * &lt;code&gt;Paint&lt;/code&gt; instances.<a name="line.62"></a>
<span class="sourceLineNo">063</span> * &lt;br&gt;&lt;br&gt;<a name="line.63"></a>
<span class="sourceLineNo">064</span> * To support cloning and serialization, you should only use keys that are<a name="line.64"></a>
<span class="sourceLineNo">065</span> * cloneable and serializable.  Special handling for the &lt;code&gt;Paint&lt;/code&gt;<a name="line.65"></a>
<span class="sourceLineNo">066</span> * instances is included in this class.<a name="line.66"></a>
<span class="sourceLineNo">067</span> *<a name="line.67"></a>
<span class="sourceLineNo">068</span> * @since 1.0.3<a name="line.68"></a>
<span class="sourceLineNo">069</span> */<a name="line.69"></a>
<span class="sourceLineNo">070</span>public class PaintMap implements Cloneable, Serializable {<a name="line.70"></a>
<span class="sourceLineNo">071</span><a name="line.71"></a>
<span class="sourceLineNo">072</span>    /** For serialization. */<a name="line.72"></a>
<span class="sourceLineNo">073</span>    static final long serialVersionUID = -4639833772123069274L;<a name="line.73"></a>
<span class="sourceLineNo">074</span><a name="line.74"></a>
<span class="sourceLineNo">075</span>    /** Storage for the keys and values. */<a name="line.75"></a>
<span class="sourceLineNo">076</span>    private transient Map store;<a name="line.76"></a>
<span class="sourceLineNo">077</span><a name="line.77"></a>
<span class="sourceLineNo">078</span>    /**<a name="line.78"></a>
<span class="sourceLineNo">079</span>     * Creates a new (empty) map.<a name="line.79"></a>
<span class="sourceLineNo">080</span>     */<a name="line.80"></a>
<span class="sourceLineNo">081</span>    public PaintMap() {<a name="line.81"></a>
<span class="sourceLineNo">082</span>        this.store = new HashMap();<a name="line.82"></a>
<span class="sourceLineNo">083</span>    }<a name="line.83"></a>
<span class="sourceLineNo">084</span><a name="line.84"></a>
<span class="sourceLineNo">085</span>    /**<a name="line.85"></a>
<span class="sourceLineNo">086</span>     * Returns the paint associated with the specified key, or<a name="line.86"></a>
<span class="sourceLineNo">087</span>     * &lt;code&gt;null&lt;/code&gt;.<a name="line.87"></a>
<span class="sourceLineNo">088</span>     *<a name="line.88"></a>
<span class="sourceLineNo">089</span>     * @param key  the key (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.89"></a>
<span class="sourceLineNo">090</span>     *<a name="line.90"></a>
<span class="sourceLineNo">091</span>     * @return The paint, or &lt;code&gt;null&lt;/code&gt;.<a name="line.91"></a>
<span class="sourceLineNo">092</span>     *<a name="line.92"></a>
<span class="sourceLineNo">093</span>     * @throws IllegalArgumentException if &lt;code&gt;key&lt;/code&gt; is<a name="line.93"></a>
<span class="sourceLineNo">094</span>     *     &lt;code&gt;null&lt;/code&gt;.<a name="line.94"></a>
<span class="sourceLineNo">095</span>     */<a name="line.95"></a>
<span class="sourceLineNo">096</span>    public Paint getPaint(Comparable key) {<a name="line.96"></a>
<span class="sourceLineNo">097</span>        ParamChecks.nullNotPermitted(key, "key");<a name="line.97"></a>
<span class="sourceLineNo">098</span>        return (Paint) this.store.get(key);<a name="line.98"></a>
<span class="sourceLineNo">099</span>    }<a name="line.99"></a>
<span class="sourceLineNo">100</span><a name="line.100"></a>
<span class="sourceLineNo">101</span>    /**<a name="line.101"></a>
<span class="sourceLineNo">102</span>     * Returns &lt;code&gt;true&lt;/code&gt; if the map contains the specified key, and<a name="line.102"></a>
<span class="sourceLineNo">103</span>     * &lt;code&gt;false&lt;/code&gt; otherwise.<a name="line.103"></a>
<span class="sourceLineNo">104</span>     *<a name="line.104"></a>
<span class="sourceLineNo">105</span>     * @param key  the key.<a name="line.105"></a>
<span class="sourceLineNo">106</span>     *<a name="line.106"></a>
<span class="sourceLineNo">107</span>     * @return &lt;code&gt;true&lt;/code&gt; if the map contains the specified key, and<a name="line.107"></a>
<span class="sourceLineNo">108</span>     * &lt;code&gt;false&lt;/code&gt; otherwise.<a name="line.108"></a>
<span class="sourceLineNo">109</span>     */<a name="line.109"></a>
<span class="sourceLineNo">110</span>    public boolean containsKey(Comparable key) {<a name="line.110"></a>
<span class="sourceLineNo">111</span>        return this.store.containsKey(key);<a name="line.111"></a>
<span class="sourceLineNo">112</span>    }<a name="line.112"></a>
<span class="sourceLineNo">113</span><a name="line.113"></a>
<span class="sourceLineNo">114</span>    /**<a name="line.114"></a>
<span class="sourceLineNo">115</span>     * Adds a mapping between the specified &lt;code&gt;key&lt;/code&gt; and<a name="line.115"></a>
<span class="sourceLineNo">116</span>     * &lt;code&gt;paint&lt;/code&gt; values.<a name="line.116"></a>
<span class="sourceLineNo">117</span>     *<a name="line.117"></a>
<span class="sourceLineNo">118</span>     * @param key  the key (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.118"></a>
<span class="sourceLineNo">119</span>     * @param paint  the paint.<a name="line.119"></a>
<span class="sourceLineNo">120</span>     *<a name="line.120"></a>
<span class="sourceLineNo">121</span>     * @throws IllegalArgumentException if &lt;code&gt;key&lt;/code&gt; is<a name="line.121"></a>
<span class="sourceLineNo">122</span>     *     &lt;code&gt;null&lt;/code&gt;.<a name="line.122"></a>
<span class="sourceLineNo">123</span>     */<a name="line.123"></a>
<span class="sourceLineNo">124</span>    public void put(Comparable key, Paint paint) {<a name="line.124"></a>
<span class="sourceLineNo">125</span>        ParamChecks.nullNotPermitted(key, "key");<a name="line.125"></a>
<span class="sourceLineNo">126</span>        this.store.put(key, paint);<a name="line.126"></a>
<span class="sourceLineNo">127</span>    }<a name="line.127"></a>
<span class="sourceLineNo">128</span><a name="line.128"></a>
<span class="sourceLineNo">129</span>    /**<a name="line.129"></a>
<span class="sourceLineNo">130</span>     * Resets the map to empty.<a name="line.130"></a>
<span class="sourceLineNo">131</span>     */<a name="line.131"></a>
<span class="sourceLineNo">132</span>    public void clear() {<a name="line.132"></a>
<span class="sourceLineNo">133</span>        this.store.clear();<a name="line.133"></a>
<span class="sourceLineNo">134</span>    }<a name="line.134"></a>
<span class="sourceLineNo">135</span><a name="line.135"></a>
<span class="sourceLineNo">136</span>    /**<a name="line.136"></a>
<span class="sourceLineNo">137</span>     * Tests this map for equality with an arbitrary object.<a name="line.137"></a>
<span class="sourceLineNo">138</span>     *<a name="line.138"></a>
<span class="sourceLineNo">139</span>     * @param obj  the object (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.139"></a>
<span class="sourceLineNo">140</span>     *<a name="line.140"></a>
<span class="sourceLineNo">141</span>     * @return A boolean.<a name="line.141"></a>
<span class="sourceLineNo">142</span>     */<a name="line.142"></a>
<span class="sourceLineNo">143</span>    @Override<a name="line.143"></a>
<span class="sourceLineNo">144</span>    public boolean equals(Object obj) {<a name="line.144"></a>
<span class="sourceLineNo">145</span>        if (obj == this) {<a name="line.145"></a>
<span class="sourceLineNo">146</span>            return true;<a name="line.146"></a>
<span class="sourceLineNo">147</span>        }<a name="line.147"></a>
<span class="sourceLineNo">148</span>        if (!(obj instanceof PaintMap)) {<a name="line.148"></a>
<span class="sourceLineNo">149</span>            return false;<a name="line.149"></a>
<span class="sourceLineNo">150</span>        }<a name="line.150"></a>
<span class="sourceLineNo">151</span>        PaintMap that = (PaintMap) obj;<a name="line.151"></a>
<span class="sourceLineNo">152</span>        if (this.store.size() != that.store.size()) {<a name="line.152"></a>
<span class="sourceLineNo">153</span>            return false;<a name="line.153"></a>
<span class="sourceLineNo">154</span>        }<a name="line.154"></a>
<span class="sourceLineNo">155</span>        Set keys = this.store.keySet();<a name="line.155"></a>
<span class="sourceLineNo">156</span>        Iterator iterator = keys.iterator();<a name="line.156"></a>
<span class="sourceLineNo">157</span>        while (iterator.hasNext()) {<a name="line.157"></a>
<span class="sourceLineNo">158</span>            Comparable key = (Comparable) iterator.next();<a name="line.158"></a>
<span class="sourceLineNo">159</span>            Paint p1 = getPaint(key);<a name="line.159"></a>
<span class="sourceLineNo">160</span>            Paint p2 = that.getPaint(key);<a name="line.160"></a>
<span class="sourceLineNo">161</span>            if (!PaintUtilities.equal(p1, p2)) {<a name="line.161"></a>
<span class="sourceLineNo">162</span>                return false;<a name="line.162"></a>
<span class="sourceLineNo">163</span>            }<a name="line.163"></a>
<span class="sourceLineNo">164</span>        }<a name="line.164"></a>
<span class="sourceLineNo">165</span>        return true;<a name="line.165"></a>
<span class="sourceLineNo">166</span>    }<a name="line.166"></a>
<span class="sourceLineNo">167</span><a name="line.167"></a>
<span class="sourceLineNo">168</span>    /**<a name="line.168"></a>
<span class="sourceLineNo">169</span>     * Returns a clone of this &lt;code&gt;PaintMap&lt;/code&gt;.<a name="line.169"></a>
<span class="sourceLineNo">170</span>     *<a name="line.170"></a>
<span class="sourceLineNo">171</span>     * @return A clone of this instance.<a name="line.171"></a>
<span class="sourceLineNo">172</span>     *<a name="line.172"></a>
<span class="sourceLineNo">173</span>     * @throws CloneNotSupportedException if any key is not cloneable.<a name="line.173"></a>
<span class="sourceLineNo">174</span>     */<a name="line.174"></a>
<span class="sourceLineNo">175</span>    @Override<a name="line.175"></a>
<span class="sourceLineNo">176</span>    public Object clone() throws CloneNotSupportedException {<a name="line.176"></a>
<span class="sourceLineNo">177</span>        PaintMap clone = (PaintMap) super.clone();<a name="line.177"></a>
<span class="sourceLineNo">178</span>        clone.store = new HashMap();<a name="line.178"></a>
<span class="sourceLineNo">179</span>        clone.store.putAll(this.store);<a name="line.179"></a>
<span class="sourceLineNo">180</span>        // TODO: I think we need to make sure the keys are actually cloned,<a name="line.180"></a>
<span class="sourceLineNo">181</span>        // whereas the paint instances are always immutable so they're OK<a name="line.181"></a>
<span class="sourceLineNo">182</span>        return clone;<a name="line.182"></a>
<span class="sourceLineNo">183</span>    }<a name="line.183"></a>
<span class="sourceLineNo">184</span><a name="line.184"></a>
<span class="sourceLineNo">185</span>    /**<a name="line.185"></a>
<span class="sourceLineNo">186</span>     * Provides serialization support.<a name="line.186"></a>
<span class="sourceLineNo">187</span>     *<a name="line.187"></a>
<span class="sourceLineNo">188</span>     * @param stream  the output stream.<a name="line.188"></a>
<span class="sourceLineNo">189</span>     *<a name="line.189"></a>
<span class="sourceLineNo">190</span>     * @throws IOException  if there is an I/O error.<a name="line.190"></a>
<span class="sourceLineNo">191</span>     */<a name="line.191"></a>
<span class="sourceLineNo">192</span>    private void writeObject(ObjectOutputStream stream) throws IOException {<a name="line.192"></a>
<span class="sourceLineNo">193</span>        stream.defaultWriteObject();<a name="line.193"></a>
<span class="sourceLineNo">194</span>        stream.writeInt(this.store.size());<a name="line.194"></a>
<span class="sourceLineNo">195</span>        Set keys = this.store.keySet();<a name="line.195"></a>
<span class="sourceLineNo">196</span>        Iterator iterator = keys.iterator();<a name="line.196"></a>
<span class="sourceLineNo">197</span>        while (iterator.hasNext()) {<a name="line.197"></a>
<span class="sourceLineNo">198</span>            Comparable key = (Comparable) iterator.next();<a name="line.198"></a>
<span class="sourceLineNo">199</span>            stream.writeObject(key);<a name="line.199"></a>
<span class="sourceLineNo">200</span>            Paint paint = getPaint(key);<a name="line.200"></a>
<span class="sourceLineNo">201</span>            SerialUtilities.writePaint(paint, stream);<a name="line.201"></a>
<span class="sourceLineNo">202</span>        }<a name="line.202"></a>
<span class="sourceLineNo">203</span>    }<a name="line.203"></a>
<span class="sourceLineNo">204</span><a name="line.204"></a>
<span class="sourceLineNo">205</span>    /**<a name="line.205"></a>
<span class="sourceLineNo">206</span>     * Provides serialization support.<a name="line.206"></a>
<span class="sourceLineNo">207</span>     *<a name="line.207"></a>
<span class="sourceLineNo">208</span>     * @param stream  the input stream.<a name="line.208"></a>
<span class="sourceLineNo">209</span>     *<a name="line.209"></a>
<span class="sourceLineNo">210</span>     * @throws IOException  if there is an I/O error.<a name="line.210"></a>
<span class="sourceLineNo">211</span>     * @throws ClassNotFoundException  if there is a classpath problem.<a name="line.211"></a>
<span class="sourceLineNo">212</span>     */<a name="line.212"></a>
<span class="sourceLineNo">213</span>    private void readObject(ObjectInputStream stream)<a name="line.213"></a>
<span class="sourceLineNo">214</span>            throws IOException, ClassNotFoundException {<a name="line.214"></a>
<span class="sourceLineNo">215</span>        stream.defaultReadObject();<a name="line.215"></a>
<span class="sourceLineNo">216</span>        this.store = new HashMap();<a name="line.216"></a>
<span class="sourceLineNo">217</span>        int keyCount = stream.readInt();<a name="line.217"></a>
<span class="sourceLineNo">218</span>        for (int i = 0; i &lt; keyCount; i++) {<a name="line.218"></a>
<span class="sourceLineNo">219</span>            Comparable key = (Comparable) stream.readObject();<a name="line.219"></a>
<span class="sourceLineNo">220</span>            Paint paint = SerialUtilities.readPaint(stream);<a name="line.220"></a>
<span class="sourceLineNo">221</span>            this.store.put(key, paint);<a name="line.221"></a>
<span class="sourceLineNo">222</span>        }<a name="line.222"></a>
<span class="sourceLineNo">223</span>    }<a name="line.223"></a>
<span class="sourceLineNo">224</span><a name="line.224"></a>
<span class="sourceLineNo">225</span>}<a name="line.225"></a>




























































</pre>
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